package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.xmlbeans.impl.xb.xsdschema.Public;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Resource
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}", dishDTO);
        dishService.save(dishDTO);
        //删除新增菜品所在分类下 的缓存
        String key="dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询菜品：{}", dishPageQueryDTO);
        PageResult pageResult = dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long>ids){
        log.info("批量删除菜品：{}", ids);
        dishService.delete(ids);
        //清理掉所有dish_的缓存
        deleteCache("dish_*");
        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> get(@PathVariable Long id){
        log.info("根据ID查询菜品：{}", id);
        DishVO dishVO = dishService.get(id);
        return Result.success(dishVO);
    }


    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //因为可能影响到两份dish_缓存所有直接清理掉所有dish_的缓存
        deleteCache("dish_*");
        return Result.success();
    }


    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品状态")
    public Result updateStatus(@PathVariable Integer status, Long id){
        log.info("修改菜品状态：status:{}, id:{}", status,id);
        dishService.updateStatus(status, id);

        //清理掉所有dish_的缓存
        deleteCache("dish_*");
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void deleteCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
